/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.webapi.controller.system;

import com.vdurmont.semver4j.Semver;
import java.util.Map;
import org.hisp.dhis.common.OpenApi;
import org.hisp.dhis.dxf2.webmessage.WebMessage;
import org.hisp.dhis.dxf2.webmessage.WebMessageUtils;
import org.hisp.dhis.dxf2.webmessage.responses.SoftwareUpdateResponse;
import org.hisp.dhis.scheduling.JobProgress;
import org.hisp.dhis.system.SystemUpdateNotificationService;
import org.hisp.dhis.webapi.controller.Server;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @author Morten Svanæs <msvanaes@dhis2.org>
 */
@OpenApi.Document(
    entity = Server.class,
    classifiers = {"team:platform", "purpose:support"})
@Controller
@RequestMapping("/api/systemUpdates")
public class SystemUpdateNotifyController {
  public static final String RESOURCE_PATH = "";

  @Autowired private SystemUpdateNotificationService service;

  @GetMapping
  @ResponseBody
  public WebMessage checkForSystemUpdates(
      @RequestParam(value = "forceVersion", required = false) String forceVersion) {
    Semver currentVersion = SystemUpdateNotificationService.getCurrentVersion();

    if (forceVersion != null) {
      currentVersion = new Semver(forceVersion);
    }

    Map<Semver, Map<String, String>> newerVersions =
        SystemUpdateNotificationService.getLatestNewerThanFetchFirst(currentVersion);

    service.sendMessageForEachVersion(newerVersions, JobProgress.noop());

    WebMessage ok = WebMessageUtils.ok();

    ok.setResponse(new SoftwareUpdateResponse(newerVersions));
    return ok;
  }
}
